ETF comparison
IJK vs IVOO
Both US Mid Cap.
iShares S&P Mid-Cap 400 Growth ETF · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares
Holdings overlap
238 positions appear in both funds. Buying equal dollars of IJK and IVOO would leave roughly 63.3% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
IVOO is 9 bps cheaper than IJK. On a $100,000 position that's about $90/yr more in fees for IJK.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with IJK vs IVOO.
Top shared holdings
238 shared in total| # | Holding | In IJK | In IVOO | Overlap |
|---|---|---|---|---|
| 1 | Twilio, Inc. | 1.66% | 0.82% | 0.82% |
| 2 | TechnipFMC plc | 1.40% | 0.79% | 0.79% |
| 3 | Curtiss-Wright Corp. | 1.48% | 0.79% | 0.79% |
| 4 | nVent Electric plc | 1.45% | 0.77% | 0.77% |
| 5 | Sterling Infrastructure, Inc. | 1.36% | 0.75% | 0.75% |
| 6 | XPO, Inc. | 1.28% | 0.72% | 0.72% |
| 7 | Everpure, Inc. | 1.32% | 0.71% | 0.71% |
| 8 | Illumina, Inc. | 0.76% | 0.71% | 0.71% |
| 9 | United Therapeutics Corp. | 1.22% | 0.68% | 0.68% |
| 10 | ATI, Inc. | 1.42% | 0.68% | 0.68% |
| 11 | MACOM Technology Solutions Holdings, Inc. | 1.32% | 0.67% | 0.67% |
| 12 | Fabrinet | 1.07% | 0.67% | 0.67% |
Only in IJK
5 total- Roku, Inc. 0.96%
- Coeur Mining, Inc. 0.89%
- Sanmina Corp. 0.72%
- Viavi Solutions, Inc. 0.59%
- Semtech Corp. 0.56%
Only in IVOO
162 total- Flex Ltd 1.58%
- Alcoa Corp 0.57%
- Reliance Inc 0.57%
- TD SYNNEX Corp 0.56%
- US Foods Holding Corp 0.51%
- WESCO International Inc 0.50%
- Annaly Capital Management Inc 0.45%
- Ovintiv Inc 0.44%
- Performance Food Group Co 0.44%
- BorgWarner Inc 0.42%
Related comparisons
More comparisons with IJK
- IJK vs MDY · State Street SPDR S&P MIDCAP 400 ETF Trust 58.0%
- IJK vs BBMC · JPMorgan BetaBuilders U.S. Mid Cap Equity ETF 38.3%
- IJK vs SCHM · Schwab U.S. Mid-Cap ETF 36.3%
- IJK vs VB · Vanguard Morningstar Small-Cap ETF 29.4%
- IJK vs IJJ · iShares S&P Mid-Cap 400 Value ETF 28.0%
- IJK vs IWP · iShares Russell Mid-Cap Growth ETF 19.0%
More comparisons with IVOO
- IVOO vs IJJ · iShares S&P Mid-Cap 400 Value ETF 61.6%
- IVOO vs BBMC · JPMorgan BetaBuilders U.S. Mid Cap Equity ETF 56.7%
- IVOO vs SCHM · Schwab U.S. Mid-Cap ETF 54.6%
- IVOO vs VB · Vanguard Morningstar Small-Cap ETF 43.0%
- IVOO vs AVMV · Avantis U.S. Mid Cap Value ETF 26.3%
- IVOO vs IWS · iShares Russell Mid-Cap Value ETF 24.2%
Percentages are holdings overlap with the named fund.
Open IJK or IVOO at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.